package com.example.demo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {

    @RequestMapping("/user/login")
    public String login(@RequestParam("username")String username, @RequestParam("password")String password, Model model, HttpSession session){
        //具体的业务
        if ("123".equals(password)) {
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        }else {
            model.addAttribute("msg","用户名或密码错误");
            return "index";
        }
    }
}
